[mapserver-users] WMS Client and SLD

Yewondwossen Assefa yassefa at dmsolutions.ca
Tue Dec 1 12:28:48 EST 2009


Hi There,

 The first thing would be to make sure that the server supports SLD 
styling. Doing a GetCapabilities [1], It seems it does not (at least it 
does not the DescribeLayer operation which would indicate that SLD is 
supported). If there server indeed supports sld, I would suggest to do a 
manual call first [2][3] and see if it applies the sld properly. If all 
goes well you can then try it from MapServer.
Note also that there seems to be a error in your sld:
  
<ogc:Filter><ogc:PropertyIsEqualTo><ogc:PropertyName>STATUS</ogc:PropertyName></ogc:PropertyIsEqualTo></ogc:Filter> 

should have a literal value in it, something like:
  
<ogc:Filter><ogc:PropertyIsEqualTo><ogc:PropertyName>STATUS</ogc:PropertyName><ogc:Literal>1</ogc:Literal></ogc:PropertyIsEqualTo></ogc:Filter>

Hope it helps.

regards,,


[1]: 
http://atlas.information.qld.gov.au/ArcGIS/services/IRTM/MapServer/WMSServer?service=WMS&Request=GetCapabilities
[2]:http://atlas.information.qld.gov.au/ArcGIS/services/IRTM/MapServer/WMSServer?service=WMS&VERSION=1.1.0&Request=GetMap&Layers=56&SRS=EPSG:4326&BBOX=137.984510,-28.998470,153.534386,-10.098496&FORMAT=image/png&WIDTH=300&HEIGHT=200&STYLES=&
[3]http://atlas.information.qld.gov.au/ArcGIS/services/IRTM/MapServer/WMSServer?service=WMS&VERSION=1.1.0&Request=GetMap&Layers=56&SRS=EPSG:4326&BBOX=137.984510,-28.998470,153.534386,-10.098496&FORMAT=image/png&WIDTH=300&HEIGHT=200&STYLES=&sld=http://../mysld.xml
 
Tony Baylis wrote:
> All,
>
> This is the first time I have tried styling external WMS data using 
> SLD and cannot get the returned data/image in the desired style.  
> Below is the simplified mapfile and SLD file.  If anyone has any 
> pointers I'd be more than grateful.  Please note that the link to the 
> SLD file does work with the following return: 56  APPLICATION STATUS 
> #ff0000 GRANTED STATUS #ffffbe
>
> Tony
>
> Mapfile:
> #
> # Start of map file
> #
> MAP
>  NAME qld_tenement
>  STATUS ON
>  SIZE 800 500
>  EXTENT 140 -23.25 150 -17
>  UNITS DD
>  SHAPEPATH "/var/www/remwms/htdocs/data"
>  IMAGECOLOR 192 213 255
>  SYMBOLSET "/var/www/remwms/htdocs/includes/symbols.sym"
>  FONTSET "/usr/share/fonts/truetype/font.list"
>  DEBUG 2
>  CONFIG "MS_ERRORFILE" "/var/www/ms_tmp/ms_error.txt"
>
> #IMAGETYPE PNG
>
> OUTPUTFORMAT
>  NAME "AGGA"
>  MIMETYPE "image/png"
>  DRIVER "AGG/PNG"
>  EXTENSION "png"
>  IMAGEMODE RGBA
>  TRANSPARENT ON
> END
>
> #
> # Start of web interface definition
> #
> WEB
>      IMAGEPATH "/var/www/ms_tmp/"
>      IMAGEURL "http://mapserver1/ms_tmp/"
> END
>
> #
> # Assign Projection
> #
> PROJECTION
>  "init=epsg:4283"
> END
>
> LAYER
>  NAME "EPM"
>  TYPE RASTER
>  STATUS ON
>  CONNECTIONTYPE WMS
>  CONNECTION 
> 'http://atlas.information.qld.gov.au/ArcGIS/services/IRTM/MapServer/WMSServer?' 
>
>  METADATA
>    "wms_srs" "EPSG:4326"
>    "wms_name"  "56"
>    "wms_server_version"  "1.1.1"
>    "wms_format"  "image/png"
>    "wms_title" "EPM"
>    "wms_include_items"    "all"
>    "wms_sld_url" "http://mapserver1/remwms/includes/sld/publicsld.xml"
>    "wms_legend_graphic" "0"
>    "wms_feature_info_mime_type" "text/plain"
>  END
> END
>
> END
>
> SLD File:
> <?xml version="1.0" encoding="UTF-8"?>
> <StyledLayerDescriptor version="1.0.0"
>  xmlns="http://www.opengis.net/sld"
>  xmlns:ogc="http://www.opengis.net/ogc"
>  xmlns:xlink="http://www.w3.org/1999/xlink"
>  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>  xsi:schemaLocation="http://www.opengis.net/sld
>  http://schemas.opengis.net/sld/1.0.0/StyledLayerDescriptor.xsd">
>  <NamedLayer>
>    <Name>56</Name>
>      <UserStyle>
>          <FeatureTypeStyle>
>            <Rule>
>              <Name>APPLICATION</Name>
>              
> <ogc:Filter><ogc:PropertyIsEqualTo><ogc:PropertyName>STATUS</ogc:PropertyName></ogc:PropertyIsEqualTo></ogc:Filter> 
>
>              <PolygonSymbolizer>
>                <Fill>
>                  <CssParameter name="fill">#ff0000</CssParameter>
>                </Fill>
>              </PolygonSymbolizer>
>            </Rule>
>            <Rule>
>              <Name>GRANTED</Name>
>              
> <ogc:Filter><ogc:PropertyIsEqualTo><ogc:PropertyName>STATUS</ogc:PropertyName></ogc:PropertyIsEqualTo></ogc:Filter> 
>
>              <PolygonSymbolizer>
>                <Fill>
>                  <CssParameter name="fill">#ffffbe</CssParameter>
>                </Fill>
>              </PolygonSymbolizer>
>            </Rule>
>          </FeatureTypeStyle>
>      </UserStyle>
>  </NamedLayer>
> </StyledLayerDescriptor>
>


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Assefa Yewondwossen           
Software Analyst   

Email: assefa at dmsolutions.ca    
http://www.dmsolutions.ca/

Phone: (613) 565-5056 (ext 14)
Fax:   (613) 565-0925
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